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Informations Informations 2 INDEX ABOUT THE SUMMER SCHOOL .........................4 VENUE .......................................................................5 PEOPLE ......................................................................7 SCHOOL PROGRAM ..............................................8 MAP OF FOURNI ....................................................28 USEFUL TELEPHONE NUMBERS........................29 3 ABOUT THE SUMMER SCHOOL After the successful first Summer School on Docu- ment Image Processing (IDIPS 2013 ), (http:// www.iapr.org/docs/newsletter-2013-03.pdf p.13-14) the second Summer School on Document Image Processing (IDIPS2014) aims to provide both an objective overview and an in-depth analysis of the state-of-the-art of the Document Analysis Systems (DAS) and their current open issues. The courses will be delivered by world- renowned researchers in the field and relevant compa- nies, covering both theoretical and practical aspects of real problems of Document Analysis Systems, as well as examples of successful applications. This year, the school aims to provide an attractive opportunity for 40 young researchers, post-graduate and PhD students. The participants will benefit from direct interaction and discussions with the renowned speakers and practice on real problems. The researchers will also have the opportunity to present the results of their scien- tific research, and interact with their colleagues in a friendly and constructive atmosphere. The Summer School is hosted on the beautiful is- land of Fourni which ensures quiet and beautiful envi- ronment, with quality food services and housing, which would enjoy the students and lecturers, while the par- ticipants will have the opportunity to experience the Greek hospitality. 4 VENUE The Summer School will take place in the City Hall of Fourni. Fourni can be reached by ship by the ports of Piraeus or Karlovassi (Samos). The Organizers will take care of the transportation, from the airport Aristarchos of Samos, of the participants that will arrive there by June 2nd, before 3.00 p.m., and they will be transferred back on the June 8th, about 10.00 a.m. The airport of Samos has direct flights from/to Athens, Germany, Neth- erlands, England, Belgium, Scandinavian Countries, Switzerland etc. Fournoi Korseon (Greek: Φούρνοι Κορσέων or Greek: Φούρνοι Iκαρίας - Fournoi Ikarias), more com- monly simply Fournoi, is a complex or archipelago of small Greek islands that lie between Ikaria, Samos and Patmos in Ikaria regional unit, North Aegean region. The two largest islands of the complex, the main isle of Fournoi (31 km²) and the isle of Thymaina (10 km²), are inhabited, as is Agios Minas Island (2.3 km²) to the east. On the main isle Fournoi (town) is the largest settlement and then Chrysomilia in the north the second largest (and third largest overall, after Thymaina). Fournoi (town) proper is the main ferry harbor, with ferries also landing on Thymaina. Fourni, as proven by various archeological sites and other findings on the islands, have been the home of a civilization dating back to the 3rd century B.C. 'till the 2nd to 3rd century A.C. 5 The islands are uniquely characterized by their ex- tremely complicated coastline, the total length of witch is 126 kilometers, while the area of the islands counts merely 48 sq. kilometers. They're run through by easy to follow asphalt roads, while paths and traditionally built steps lead to lots of beaches with transparent waters, such as Vlichada, Kassidi, Petrokopio, Elidaki, Vitsilia and more. The highest peaks are Korakas (514m.), Fanas (476m.) and Pappas of Thymaina (470 m.). Many of the inhabitants are fishermen, although during the summer season the population is also occu- pied in tourist activities, mostly room rentals and cater- ing. The climate is arid and hot during summers. Win- ters are rather mild with average rainfall but constant strong archipelagic winds prevail. You'll enjoy swimming in exotic waters, staying in hospitable rooms, tasting traditional Greek dishes, fresh fish and lobsters, as well as local honey and cheese of fine quality. But most of all, we are sure you will discover the beauty of simplicity and serenity, at a place extremely authentic, in a way only Greek islands can be. 6 PEOPLE Program Chairs Apostolos Antonacopoulos, PRImA, University of Salford Ergina Kavallieratou, University of the Aegean Josep Llados, CVC, University Autonoma de Barcelona Local Organizing Committee Ergina Kavallieratou, University of the Aegean Efstathios Stamatatos, University of the Aegean Irini Stathi, University of the Aegean Program Committee David Doermann, University of Maryland Daniel Lopresti, Lehigh University Jean-Marc Ogier, Universite de La Rochelle Ioannis Pratikakis, Democritus University of Thrace 7 SCHOOL PROGRAM Every morning there will two lectures while in the eve- ning either student presentation (Monday) or prac- tice in laboratories (Tuesday, Thursday, Friday) will take place. The last day (Friday), the participants will have the chance to attend the presentation of several case studies. Keywords of the Lectures System architectures - end-to-end document analysis systems - Common issues & implications - performance evaluation Pre-processing - Binarization - Noise removal - Enhancement - Show through cancellation - Geometric correction (page curl removal, Dewarp- ing, Slant&Skew correction) - Skeletonization 8 Layout analysis - Segmentation and region classification (physical layout) - Logical layout analysis. Reading order. Recognition - Machine printed text recognition - Handwriting recognition - Graphics recognition Evaluation - Datasets - Metrics - Examples of performance evaluation methodolo- gies and protocols Indexing - Inverted files - Hashing - Latent semantic indexing (LSI) - information spotting Document classification - Document classification - Document retrieval 9 System Level Issues in Document Image Analysis Daniel Lopresti Document image analysis techniques are not used in isolation, but rather to solve specific tasks. In this lec- ture, we shall survey a variety of architectures used when assembling end-to-end document analysis sys- tems, both traditional and novel. We will examine how the nature of the task places demands on the degree of automation that is required, the minimum acceptable accuracy level, and the kinds of errors that can be toler- ated. Also discussed will be the implications for per- formance evaluation and, ultimately, the success of the system. After attending this lecture, students will understand: Representative architectures that are used when building end-to-end document analysis systems. Common issues that arise in such systems. How to evaluate the performance of such systems. Implications for conducting research on a component technology used in such systems. Daniel Lopresti received his bachelor's degree from Dartmouth in 1982 and his Ph.D. in computer sci- ence from Princeton in 1987. After completing his doc- torate, he joined the Department of Computer Science at 10 Brown and taught courses ranging from VLSI design to computational aspects of molecular biology and con- ducted research in parallel computing and VLSI CAD. He went on to help found the Matsushita Information Technology Laboratory in Princeton, and later also served on the research staff at Bell Labs where his work turned to document analysis, handwriting recognition, and biometric security. In 2003, Dr. Lopresti joined the Department of Computer Science and Engineering at Lehigh where he leads a research group examining fundamental algo- rithmic and systems-related questions in pattern recog- nition, bioinformatics, and security. Dr. Lopresti is direc- tor of the Lehigh Pattern Recognition Research (PatRec) Lab. On July 1, 2009, he became Chair of the Department of Computer Science and Engineering. http://www.cse.lehigh.edu/~lopresti/ Document Image Binarisation Ioannis Pratikakis Document image binarisation is the initial step of most document image analysis and understanding sys- tems that converts a grey scale image into a binary im- age aiming to distinguish text areas from background areas. Binarisation plays a key role in document process- ing since its performance affects drastically the degree of success in subsequent character segmentation and recog- 11 nition. Although for modern machine printed docu- ments, binarisation is considered as a problem that has already been solved, when processing degraded docu- ment images, binarisation is not an easy task. This advo- cates the intensive contemporary research efforts for the binarisation of historical document images. This tutorial aims to survey the main trends on the document image binarisation process combining the the- ory with hands-on demonstrations. Last but not least, the presentation of established evaluation measures for document image binarisation methods will be addressed as the means to study the algorithmic behaviour by pro- viding qualitative and quantitative performance indica- tion Ioannis Pratikakis is an Assistant Professor at the Department of Electrical and Computer Engineering of Democritus University of Thrace in Xanthi, Greece. He received the Ph.D. degree in 3D Image analysis from the Electronics engineering and Informatics department at VrijeUniversiteit Brussel, Belgium, in January 1999. From March 1999 to March 2000, he joined IRISA/ViSTA group, Rennes, France as an INRIA postdoctoral fellow. From January 2003 to June 2010, he was working as Adjunct Researcher at the Institute of Informatics
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